One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

A seemingly endless landscape of pure salt stretches far across Bolivia.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Monasteries on rock pillars, once accessible only by frayed ropes.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

An eerie, derelict amusement park in Berlin.

A fiery crater has been burning in the Karakum Desert since 1971.

This painted Lego bridge is the product of over a century of locomotive history.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

Rippling sand dunes frozen in the Arizona rock.